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Published: Jan 8, 2021 License: MIT Imports: 16 Imported by: 0




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type Node

type Node struct {
	// contains filtered or unexported fields

A tree node in filesystem, it acts as both a directory and file

func NewRoot

func NewRoot(store store.Store) *Node

NewRoot returns a file node - acting as a root, with inode sets to 1 and leaf sets to false

func (*Node) Create

func (n *Node) Create(ctx context.Context, name string, flags uint32, mode uint32, out *fuse.EntryOut) (*fs.Inode, fs.FileHandle, uint32, syscall.Errno)

Create actually writes an empty value into the store (as a placeholder)

func (*Node) Flush

func (n *Node) Flush(ctx context.Context, fh fs.FileHandle) syscall.Errno

Flush puts file content into store

func (*Node) Fsync

func (n *Node) Fsync(ctx context.Context, f fs.FileHandle, flags uint32) syscall.Errno

Some editors (eg. Vim) need to call Fsync, so implement it here as a no-op

func (*Node) Getattr

func (n *Node) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.AttrOut) syscall.Errno

Getattr outputs file attributes TODO: how to invalidate them?

func (*Node) Lookup

func (n *Node) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*fs.Inode, syscall.Errno)

Lookup finds a file under the current node(directory)

func (*Node) Mkdir

func (n *Node) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.EntryOut) (*fs.Inode, syscall.Errno)

Mkdir implements the NodeMkdirer interface and the `mkdir` operation.

func (*Node) Open

func (n *Node) Open(ctx context.Context, flags uint32) (fh fs.FileHandle, fuseFlags uint32, errno syscall.Errno)

Open gets value from store, and saves it in "content" for later read

func (*Node) Read

func (n *Node) Read(ctx context.Context, dest []byte, off int64) (fuse.ReadResult, syscall.Errno)

Read returns bytes from "content", which should be filled by a prior Open operation

func (*Node) Readdir

func (n *Node) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno)

List keys under a certain prefix from the store, and output the next hierarchy level

func (*Node) Setattr

func (n *Node) Setattr(ctx context.Context, fh fs.FileHandle, in *fuse.SetAttrIn, out *fuse.AttrOut) syscall.Errno

Implement Setattr to support truncation

func (n *Node) Unlink(ctx context.Context, name string) syscall.Errno

Unlink removes a key from the store

func (*Node) Write

func (n *Node) Write(ctx context.Context, fh fs.FileHandle, buf []byte, off int64) (uint32, syscall.Errno)

Write saves to the internal "content" buffer

type Server

type Server struct {
	// contains filtered or unexported fields

func MustMount

func MustMount(mountPoint string, store store.Store) *Server

func (*Server) ListenForUnmount

func (s *Server) ListenForUnmount()

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